LOSI Nascar Brushless Truck Rules

1. Chassis: Chassis must be in stock configuration, no cutting or drilling. Stock front splitter and stock rear diffuser or “fuel cell” bumper must be used. Factory nerf bars must be in place (exception: driver side may be replaced with battery tray).

2. Electronics: Any micro servo/horn, Spektrum Brushless System (SPMXSEMC25), and any rec/radio system. Electronics can be relocated.

3. Gearing: Stock Gears Only (59/19)

4. Suspension: Any Losi or aftermarket fixed or adjustable arms and shocks designed specifically for the Losi NASCAR. Fluid shocks must not leak.

5. Differentials: Any Differential Fluid is allowed. Stock diff (Part# ARA31177V2) or any aftermarket differentials must spin freely. No Spools or locked differentials. Must not leak excessive fluid onto track.

6. Weights: Weights can be added but must be in the chassis tub or in the battery relocation tray. Nothing strapped on to arms or on the exterior of the chassis.

7. Heat Sink: Motor heat sink allowed for longevity of the motor. Part Number LOS-1920 only. Aftermarket fans allowed.

8. Tires: Losi Soft or Medium rubber slicks, ProLine slicks, & BSR Losi Green or Blues Allowed. Rain Tires, Dirt Tires or Foam Tires are NOT allowed. May glue or tape the right front tire. Traction compound is allowed per track compound rules. (SXT 3.0 Regular)

9. Bodies: Proline NASCAR Truck body manufactured for the Losi NASCAR Chassis. Bodies may not be modified or trimmed. Bodies must be realistically painted including numbers. No clear bodies.

10. Battery: Stock 1400mah 30c battery charged to 8.40v max. Must be charged with a Spektrum smart charger or charger supplied in the kit. Must have stock plug and stock wire length. Optional battery tray moving the battery out to the left is allowed.

11. Bearings: May be replaced.

12. Ride Height: No part of the car other than the tires may be closer than 5mm to the ground.